eda6cf11ef
Adds a 'Cancel' option, and add a note about doing a backup before updating. Signed-off-by: flow <flowlnlnln@gmail.com>
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#pragma once
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#include "BaseVersion.h"
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#include "InstanceTask.h"
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class InstanceCreationTask : public InstanceTask {
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Q_OBJECT
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public:
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InstanceCreationTask();
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virtual ~InstanceCreationTask() = default;
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protected:
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void executeTask() final override;
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/**
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* Tries to update an already existing instance.
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*
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* This can be implemented by subclasses to provide a way of updating an already existing
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* instance, according to that implementation's concept of 'identity' (i.e. instances that
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* are updates / downgrades of one another).
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*
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* If this returns true, createInstance() will not run, so you should do all update steps in here.
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* Otherwise, createInstance() is run as normal.
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*/
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virtual bool updateInstance() { return false; };
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/**
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* Creates a new instance.
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*
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* Returns whether the instance creation was successful (true) or not (false).
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*/
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virtual bool createInstance() { return false; };
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QString getError() const { return m_error_message; }
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protected:
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void setError(QString message) { m_error_message = message; };
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protected:
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bool m_abort = false;
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private:
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QString m_error_message;
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};
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